		function validateForm()
		{
		    var id=document.forms["Login"]["username"].value;
		    var pwd=document.forms["Login"]["password"].value;
		    
		    if (id==null||id==""){
		    	alert("账号未填写！");
		    	return false;
		    }else if (pwd==null||pwd==""){
		      	 alert("密码未填写！");
		      	 return false;
		    }
		}